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Katerina Coal Mine
Czech Republic
Size: up to 0.8x0.5x0.4 cm
Largest crystal size: as above mm
This specimen is not available for sale.

These unusual iridescent galena specimens are exhalative formations that come from a no longer operational coal mine with a burning mine dump. The galena crystals form at a temperature of more than 600°C in the mine dump. They are slightly radioactive (not nearly enough to cause harm). The specimens come with a handwritten label from a dealer based in the Czech Republic.


All prices in Canadian dollars. For payment in US$, deduct 25% or multiply by 0.75.

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